212262312 has 16 divisors (see below), whose sum is σ = 530655840. Its totient is φ = 70754096.

The previous prime is 212262299. The next prime is 212262341. The reversal of 212262312 is 213262212.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4422108 + ... + 4422155.

It is an arithmetic number, because the mean of its divisors is an integer number (33165990).

Almost surely, 2^212262312 is an apocalyptic number.

It is an amenable number.

212262312 is an abundant number, since it is smaller than the sum of its proper divisors (318393528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212262312 is a wasteful number, since it uses less digits than its factorization.

212262312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8844272 (or 8844268 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 212262312 is about 14569.2248249521. The cubic root of 212262312 is about 596.5190214807.

The spelling of 212262312 in words is "two hundred twelve million, two hundred sixty-two thousand, three hundred twelve".